BFieldUtils.hpp

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// This file is part of the Acts project.
//
// Copyright (C) 2017 CERN for the benefit of the Acts project
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.

#pragma once

#include "Acts/MagneticField/InterpolatedBFieldMap.hpp"
#include "Acts/Utilities/Logger.hpp"
#include "Acts/Utilities/Units.hpp"
#include "Acts/Utilities/detail/Axis.hpp"
#include "Acts/Utilities/detail/Grid.hpp"

namespace ActsExamples {

namespace BField {

namespace txt {
Acts::InterpolatedBFieldMapper<
    Acts::detail::Grid<Acts::Vector2D, Acts::detail::EquidistantAxis,
                       Acts::detail::EquidistantAxis>>
fieldMapperRZ(std::function<size_t(std::array<size_t, 2> binsRZ,
                                   std::array<size_t, 2> nBinsRZ)>
                  localToGlobalBin,
              std::string fieldMapFile = "",
              double lengthUnit = Acts::UnitConstants::mm,
              double BFieldUnit = Acts::UnitConstants::T, size_t nPoints = 1000,
              bool firstOctant = false);

Acts::InterpolatedBFieldMapper<Acts::detail::Grid<
    Acts::Vector3D, Acts::detail::EquidistantAxis,
    Acts::detail::EquidistantAxis, Acts::detail::EquidistantAxis>>
fieldMapperXYZ(std::function<size_t(std::array<size_t, 3> binsXYZ,
                                    std::array<size_t, 3> nBinsXYZ)>
                   localToGlobalBin,
               std::string fieldMapFile = "",
               double lengthUnit = Acts::UnitConstants::mm,
               double BFieldUnit = Acts::UnitConstants::T,
               size_t nPoints = 1000, bool firstOctant = false);
}  // namespace txt

namespace root {
Acts::InterpolatedBFieldMapper<
    Acts::detail::Grid<Acts::Vector2D, Acts::detail::EquidistantAxis,
                       Acts::detail::EquidistantAxis>>
fieldMapperRZ(std::function<size_t(std::array<size_t, 2> binsRZ,
                                   std::array<size_t, 2> nBinsRZ)>
                  localToGlobalBin,
              std::string fieldMapFile = "", std::string treeName = "",
              double lengthUnit = Acts::UnitConstants::mm,
              double BFieldUnit = Acts::UnitConstants::T,
              bool firstOctant = false);

Acts::InterpolatedBFieldMapper<Acts::detail::Grid<
    Acts::Vector3D, Acts::detail::EquidistantAxis,
    Acts::detail::EquidistantAxis, Acts::detail::EquidistantAxis>>
fieldMapperXYZ(std::function<size_t(std::array<size_t, 3> binsXYZ,
                                    std::array<size_t, 3> nBinsXYZ)>
                   localToGlobalBin,
               std::string fieldMapFile = "", std::string treeName = "",
               double lengthUnit = Acts::UnitConstants::mm,
               double BFieldUnit = Acts::UnitConstants::T,
               bool firstOctant = false);
}  // namespace root

}  // namespace BField

}  // namespace ActsExamples